The structure labeled C in the diagram is the A. left lung
B. right lung
C. pulmonary artery
D. pulmonary duct

What effect do stimulants, such as cocaine, have on the nervous system? o a. stimulants change the activity of neurotransmitters. o b. stimulants mimic hormones and influence moods. o o c. stimulant|mchange how sensory information is processed. d. stimulants decrease brain activity.

Which are fat-soluble vitamins? a. abcd b. abek c. abdk d. acdk e. adek

Lordosis can often be prevented by strengthening core muscles in the abdominals and back. a. true b. false